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* Copyright (c) 2020-2023 Apple Inc. All rights reserved.
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*
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* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
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* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
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*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
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#include <arm/pmap/pmap_internal.h>
#include <arm/preemption_disable_internal.h>
/**
* Placeholder for random pmap functionality that doesn't fit into any of the
* other files. This will contain things like the CPU copy windows, ASID
* management and context switching code, and stage 2 pmaps (among others).
*
* My idea is that code that doesn't fit into any of the other files will live
* in this file until we deem it large and important enough to break into its
* own file.
*/
void
pmap_abandon_measurement(void)
{
#if SCHED_HYGIENE_DEBUG
struct _preemption_disable_pcpu *pcpu = PERCPU_GET(_preemption_disable_pcpu_data);
uint64_t istate = pmap_interrupts_disable();
if (pcpu->pdp_start.pds_mach_time != 0) {
pcpu->pdp_abandon = true;
}
pmap_interrupts_restore(istate);
#endif /* SCHED_HYGIENE_DEBUG */
}